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Oligo Modifications List | Oligo Modifications Reference Category
Modification : 2'-MOE-U
Reference Catalog Number 27-6450U
Category Antisense
Modification Code MOE-U
5 Prime Y
3 Prime Y
Internal Y
Molecular Weight (mw) 378.3
Extinction Coeficient (ec) 8.4
Technical Info (pdf) PS27-6450U.pdf
Catalog NoScalePrice
27-6450U-0550 nmol$14.25
27-6450U-02200 nmol$14.25
27-6450U-011 umol$16.50
27-6450U-032 umol$26.00
27-6450U-1010 umol$110.00
27-6450U-1515 umol$138.00

Discounts are available for 2'-MOE-U!
Modification* Discount Price Structure
1 site/order List price
2 sites/order 10% discount
3 sites/order 20% discount
4 sites/order 30% discount
5-9 sites/order 50% discount
10+ sites/order 60% discount
*Exceptions apply

Related Modifications
2'-F-C
2'-MOE-U
2'-MOE-A
2'-O methyl G
2'-O methyl U
2'-F-A
2'-O Me-5-Me-dC
2'-MOE-G
Phosphorothioate (SOX)
2'-F-G
2'-O methyl A
2'-MOE-C
2'-F Bases
2'-F-U
Cholesterol TEG
GalNAc
2'-O methyl bases
2'-O methyl C
2'-MOE- Bases
2'-O methyl Inosine
2'-MOE-mC
Antisense oligonucleotides (ASOs) and small interfering RNA (siRNA) are both recognized therapeutic agents for the silencing of specific genes at the posttranscriptional level. Chemical modifications, particularly 2’-O-(2-Methoxyethyl)- oligoribonucleotides (2’-O-MOE bases) and 2’-O-Methyl bases are commonly used to confer nuclease resistance to an oligo designed for anti-sense, siRNA or aptamer-based research, diagnostic or therapeutic purposes, when specific 2’-OH is not required.
Nuclease resistance can be further enhanced by phosphorothiolation of appropriate phosphodiester linkages within the oligo. These modifications confers nuclease resistance, high binding affinity towards complementary RNA, reduced unspecific protein binding and extended half-life in tissues.
Gapmers. Currently, the mainstream of the ASO is gapmer design ASOs. Gapmer design oligonucleotides, contain two to five chemically modified nucleotides (LNA, 2’-O methyl or 2’-O-MOE RNA) as “wings” at each terminus flanking a central 5- to10-base “gap” of DNA, enable cleavage of the target mRNA by RNase H, which recognizes DNA/RNA heteroduplexes. Usually all the phosphodiester linkages are converted to phosphorothioate.
Delivery. The development of effective delivery systems for antisense oligonucleotides is essential for their clinical therapeutic application. The most common delivery system involves a relatively hydrophobic molecule that can cross the lipid membrane. The following list of modifications are suitable for delivery system in addition to cell penetrating peptides.
Cholesterol
Tocopherol (alpha-tocopherol, a natural isomer of vitamin E)
PEG

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